Comparte esto 👍👍DESCARGACAPITULO XXXI R a d i c a l e s Reducción de radicales semejantesEjercicio 237Reducir: 7 2 –15 2 = 2 (7–15 ) =–8 2 4 3 –20 3 +19 3 = 3 (4–20+19 ) =3 3 5 –22 5 –8 5 = 5 (1–22–8 ) =–29 5 2 –9 2 +30 2 –40 2 = 2 (1–9+30–40 ) =–18 2 3 4 2 – 1 2 2 = 2 ( 3 4 – 1 2 ) = 2 ( 3–2 4 ) = 1 4 2 3 5 3 – 3 = 3 ( 3 5 –1 ) = 3 ( 3–5 5 ) =– 2 5 3 2 5 – 1 2 5 + 3 4 5 = 5 (2– 1 2 + 3 4 ) = 5 ( 8–2+3 4 ) = 9 4 5 1 4 3 +5 3 – 1 8 3 = 3 ( 1 4 +5– 1 8 ) = 5 ( 2+40–1 8 ) = 41 8 5 a b –3a b +7a b = b (a–3a+7a ) =5a b 3x y +(a–x )y –2x y = y [3x+(a–x ) –2x ] = y [ 3x +a– x – 2x ] =a y (x–1 )3 +(x–3 )3 +4 3 = 3 [(x–1 ) +(x–3 ) +4 ] = 3 [x– 1 +x– 3 + 4 ] =2x 3 1 3 23 – 2 3 23 +2 23 = 23 ( 1 3 – 2 3 +2 ) = 23 ( 1–2+6 3 ) = 5 3 23 3 5 23 – 1 4 23 + 1 6 23 = 23 ( 3 5 – 1 4 + 1 6 ) = 23 ( 36–15+10 60 ) = 31 60 23 x a 2 3 –(a–2x ) a 2 3 +(2a–3x ) a 2 3 = a 2 3 [x–(a–2x ) +(2a–3x ) ] = a 2 3 [ x –a+ 2x +2a– 3x ] =a a 2 3 Categories: Capítulo XXXI